Update ujson to 2.0.3 in Wallaby
Update ujson to 2.0.3 in Wallaby

Earlier versions have a memory leak, see
https://bugzilla.redhat.com/show_bug.cgi?id=1939112

The build was done by opstools in CBS, so we cross
tagging it.

Change-Id: Iaa1af83aa989b00d9e11cdd21b80e2d055792759

redhat-openstack/rdoinfo